package com.qfjy.CaiWenTao;

/**
 * @Program：
 * @Description：TODO
 * @Author：CaiWenTao
 * @Date：2022/9/13 19:29
 */
public class TestDemo {

    public static void main(String[] args) {
        User zhangsan = new User("zhangsan");
        User lisi = new User("lisi");
        zhangsan.sendMessage("Hello~  李四");
        lisi.sendMessage("Hi~   张三");
    }
}
